491825620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{449}}^1$

素因数の和:865

約数の個数: 96

約数和(自身を含む): 1219276800

約数和(自身を除く): 727451180

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 383, 449, 572, 715, 766, 898, 1430, 1532, 1796, 1915, 2245, 2860, 3830, 4213, 4490, 4939, 4979, 5837, 7660, 8426, 8980, 9878, 9958, 11674, 16852, 19756, 19916, 21065, 23348, 24695, 24895, 29185, 42130, 49390, 49790, 54769, 58370, 64207, 84260, 98780, 99580, 109538, 116740, 128414, 171967, 219076, 256828, 273845, 321035, 343934, 547690, 642070, 687868, 859835, 1095380, 1284140, 1719670, 1891637, 2235571, 3439340, 3783274, 4471142, 7566548, 8942284, 9458185, 11177855, 18916370, 22355710, 24591281, 37832740, 44711420, 49182562, 98365124, 122956405, 245912810, 491825620]

約数ペア:

[(1, 491825620), (2, 245912810), (4, 122956405), (5, 98365124), (10, 49182562), (11, 44711420), (13, 37832740), (20, 24591281), (22, 22355710), (26, 18916370), (44, 11177855), (52, 9458185), (55, 8942284), (65, 7566548), (110, 4471142), (130, 3783274), (143, 3439340), (220, 2235571), (260, 1891637), (286, 1719670), (383, 1284140), (449, 1095380), (572, 859835), (715, 687868), (766, 642070), (898, 547690), (1430, 343934), (1532, 321035), (1796, 273845), (1915, 256828), (2245, 219076), (2860, 171967), (3830, 128414), (4213, 116740), (4490, 109538), (4939, 99580), (4979, 98780), (5837, 84260), (7660, 64207), (8426, 58370), (8980, 54769), (9878, 49790), (9958, 49390), (11674, 42130), (16852, 29185), (19756, 24895), (19916, 24695), (21065, 23348)]